Digital inputs, 12di/4ro module – SATEC PM135 Manual User Manual
Page 31
Chapter 2 Installation
I/O Connections
PM135 Powermeter Series
31
Figure 2-19 Relay Output Connection
Digital Inputs
Four optically isolated status inputs are provided for status monitoring,
pulse counting, external power demand period, and time synchronization.
Figure 2-20 Digital Input Connection
12DI/4RO Module
The 12DI/4RO module can be equipped with optional communication port
COM2 – ETHERNET or RS-422/485.
Figure 2-21 12DI/4RO Module
Before I/O Module installation ensure that all incoming power
sources are shut OFF. Failure to observe this practice can
result in serious or even fatal injury and damage to equipment.